Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface; and,

FIG. 2 is a front view of a second embodiment thereof.

The broken lines showing the display screen or portion thereof and the graphic elements form no part of the claimed design.

The dot-dash lines show unclaimed boundaries which form no part of the claimed design. 

The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 